Saving money on car loans

I'm not sure that most people are aware, but paying a monthly installment on a car loan is doing it the hard way.  As you know, some months of the year have 5 weeks versus the usual 4 weeks.  Now if you were to pay that same car payment (broken up, not total), on a weekly basis, imagine the amount of interest you would save over the length of that loan.  For example, lets use $400 as the amount of the monthly installment, but let's break it down into equal payments of $100 a week....more